From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BE0832B9B7; Sat, 16 May 2026 00:49:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778892592; cv=none; b=nUrb8GrY86XUO9H+ZZehfJfIFVd5EZF0trfXOsv7X9vSyoHbYvnzFg/3860innZQASHxe6JMCniRhrkUK7ZvmuQbgO2N4eanEJAaoz4uCxFrF4NlG2R1oZs5MByHEJeUrZJAX+gVkwDWdmz5lezC0tKc4UYBG/efAJarvPxO2k4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778892592; c=relaxed/simple; bh=tA2shOVbv4GgzVa8Tn4+Kh87n3JU8yXKFhl5SgbT8oE=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=P0dkIMCouQjB5ivG/PrKu8EOAZsF8AmH8q1mir8BnHGCV1Q9nKwIThOYLhZIdGa0VNrqEaV8vPxibYDOUA1RQH/CXAz+O79XWvQKBVIb1izHCjJ0scYb+Zanjk47ZHn2KdJol3dVznbcvxarbzyxkZte/uP4XV1MQxUsprM5DKo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jH5T8d1V; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jH5T8d1V" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 681A2C2BCB0; Sat, 16 May 2026 00:49:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778892592; bh=tA2shOVbv4GgzVa8Tn4+Kh87n3JU8yXKFhl5SgbT8oE=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=jH5T8d1VBSZdfXX1QY3tv7bQjxwtswIgotZRZkEmrkzU10jdB+0/735S682IeJxeQ eWy++PAG/R2QERWutEe0zd4Wn0sY41F2SKK89AkIanjPxW8D9gOK4uIHP73AE0fTb2 zBGWRpZlR6gunVHu+MrAwDpZv38VObOg87SDnEwpUUm9IYfNZgkGjl3oihXs6Jx4Rq 1stbAL+uW8iZRM7QH6q4yentrE0VzaM0jsQYtg7NTU7v0wtVAvJm3bJFD5Vx6ykoh6 p6+Xu7a45is/8MiRtEM37jJ+M72FGHR+F0e56fABNw4BrcGvRIAux3u9Km6sp6phxl RLD7ry1ZEzwWg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D0A303930A23; Sat, 16 May 2026 00:50:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] vsock/virtio: fix zerocopy completion for multi-skb sends From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177889260564.211703.14782557985631128714.git-patchwork-notify@kernel.org> Date: Sat, 16 May 2026 00:50:05 +0000 References: <20260514092948.268720-1-sgarzare@redhat.com> In-Reply-To: <20260514092948.268720-1-sgarzare@redhat.com> To: Stefano Garzarella Cc: netdev@vger.kernel.org, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, avkrasnov@salutedevices.com, stefanha@redhat.com, kvm@vger.kernel.org, edumazet@google.com, eperezma@redhat.com, mst@redhat.com, xuanzhuo@linux.alibaba.com, virtualization@lists.linux.dev, davem@davemloft.net, jasowang@redhat.com, linux-kernel@vger.kernel.org, maherazz04@gmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 14 May 2026 11:29:48 +0200 you wrote: > From: Stefano Garzarella > > When a large message is fragmented into multiple skbs, the zerocopy > uarg is only allocated and attached to the last skb in the loop. > Non-final skbs carry pinned user pages with no completion tracking, > so the kernel has no way to notify userspace when those pages are safe > to reuse. If the loop breaks early the uarg is never allocated at all, > leaking pinned pages with no completion notification. > > [...] Here is the summary with links: - [net] vsock/virtio: fix zerocopy completion for multi-skb sends https://git.kernel.org/netdev/net/c/ae38d9179190 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html